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2 p a ra met e rs – HEIDENHAIN SW 54843x-03 User Manual

Page 567

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HEIDENHAIN MANUALplus 620

567

8.2 P

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Centric predrilling – Approach and departure

Centric predrilling – Safety clearances

Approach and departure

Traverse for predrilling [ANB]

Traverse for tool change [ABW]

Approach/departure strategy:

1: Move simultaneously in X and Z directions

2: First X, then Z direction

3: First Z, then X direction

6: Coupled motion; X precedes Z direction

7: Coupled motion; Z precedes X direction

Safety clearances

Safety clearance on blank part [SAB]

Internal safety clearance [SIB]

Retraction distance for deep-hole drilling ("B" for G74)